abstract artwork background bits bright chips colored colorful coloured colourful contrasting decorative designed details external grouting interconnected interlinked irregular light lines matrix mosaic outdoors outside park patterned patterns perspectives playground public shaped shapes shards small style surface surfaced surfaces surfacing texture textured textures texturing tiled tiles tiling vibrant wallpaper appearance blended checkered checks color coloring colour colouring column columns design interwoven linear lined row rows shape square squared squares